N应是A在EF上的交点
1.BN=AB
2.BE=0.5AB=0.5BN
3.∠BEN=90°
4.∠BNE=30°
5.∠ABN=60°
6.∠ABM=∠NBM=0.5∠ABN=30°
7.∠BMP=90°-∠NBM=60°
7.∠MBP=90°-∠ABM=60°
8.△BMP是等边三角形